Health

Puerto Rico authorizes medical marijuana

Puerto Rico's Governor Alejandro Garcia Padilla has authorized the use of marijuana for medicinal use, in a surprise move after the US possession's legislature failed to act on the issue.

Immunology

Marijuana: The allergen you never knew existed

Growing up, you may have been given reasons for not smoking marijuana. What you may not have heard is that marijuana, like other pollen-bearing plants, is an allergen which can cause allergic responses.

Health

Alaska becomes 3rd state with legal marijuana

(AP)—Smoking, growing and possessing marijuana becomes legal in America's wildest state Tuesday, thanks to a voter initiative aimed at clearing away 40 years of conflicting laws and court rulings.

Health

Maternal pot use under microscope in Colorado

Marijuana use by pregnant or nursing women might seem like a no-brainer of a bad idea, but a proposal in the state of Colorado to step up such warnings is raising concern because of limited research on the dangers.

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